# Alteration or repair permit 6734091-BK at 601 Union St, Seattle

Seattle Department of Construction and Inspections permit 6734091-BK, issued Jul 1, 2019 for 601 Union St: alteration or repair. Blanket permit tenant improvements for TUS NorthWestern Mutual on the 25th floor per plans.

- Permit number: 6734091-BK
- Issued: Jul 1, 2019
- Type of work: Alteration or repair (city: Tenant Improvment, Commercial)
- Status: Finished (city: Completed)
- Reported cost: $1,325,000
- ZIP code: 98101
- All permits at this address: https://nearbypermits.com/seattle/address/601-union-st/

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-01 18:43 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/